Gaining Stocks NYSE IsoRay Inc (NYSE: ISR) Rallies as It Strengthens Leadership in the Prostate Brachytherapy Market IsoRay Inc (NYSE: ISR) has been gaining upside momentum ever since it announced Q1 results for the fiscal year 2020. The company announced that it had a quarterly EPS loss of $0.01, much lower than analyst expectations of a loss of $0.02.